html,body{
    position: relative;
    display: block;
    width: 100%;
}

//**页面一级结构容器**//
.th-container-body{
    width: 100%;
    margin: 0 auto;
}

/*flex容器布局 竖向*/
.f-container-c{
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content:center;
    align-items:center;   
}

/*flex容器布局 横向*/
.f-container-r{
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content:flex-start;
    align-items:center;
}

